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arXiv 0810.3954hep-th
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非线性西格玛模型的(双环)重整化群流的稳定性

Stability of the (two-loop) Renormalization Group Flow for Nonlinear Sigma Models

Christine Guenther, Todd A. Oliynyk

摘要:

证明了非线性西格玛模型的环面和适当的重标度下双曲空间在双圈重整化群流下的稳定性。为了证明稳定性,我们使用类似的技术,\cite{GIK02},其中的稳定性的环形下的里奇流是第一次建立。主要技术工具是极大正则性理论。

英文摘要:

We prove the stability of the torus, and with suitable rescaling, hyperbolic space under the (two-loop) renormalization group flow for the nonlinear sigma model. To prove stability we use similar techniques to \cite{GIK02}, where the stability of the torus under Ricci flow was first established. The main technical tool is maximal regularity theory.

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